Astyanax jacobinae was collected only in rio da Jaqueira, below Cachoeira Araponga, a tributary of rio Itapicuru-mirim, rio Itapicuru basin.
- Zanata, A.M. and P. Camelier 2008 Two new species of Astyanax (Characiformes: Characidae) from upper rio ParaguaÃ§u and rio Itapicuru basins, Chapada Diamantina, Bahia, Brazil. Zootaxa 1908:28:40. (Ref. 79518) http://www.fishbase.org/references/FBRefSummary.php?id=79518&speccode=64692
No one has provided updates yet.